Overview
The AD8552AR-REEL, produced by Analog Devices Inc., is a dual, zero-drift, single-supply operational amplifier. This component is part of the AD8551/AD8552/AD8554 family, known for its ultralow offset, drift, and bias current. The AD8552 is particularly suited for applications requiring high accuracy and low noise, making it ideal for precision measurement and instrumentation.
The amplifier features rail-to-rail input and output swings, ensuring a wide voltage range, and operates from a single supply of 2.7 V to 5 V. It does not require external capacitors, simplifying the design process. The AD8552 is available in 8-lead narrow SOIC and 8-lead TSSOP surface-mount packages, making it versatile for various board designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | 2.7 V to 5 V | V |
| Supply Current per Op Amp | 700 μA | μA |
| Offset Voltage | 1 μV | μV |
| Offset Voltage Drift | 0.005 μV/°C | μV/°C |
| Input Bias Current | 10 pA to 50 pA | pA |
| Common-Mode Rejection Ratio (CMRR) | 115 dB to 140 dB | dB |
| Large Signal Voltage Gain | 110 dB to 145 dB | dB |
| Gain Bandwidth Product | 1.5 MHz | MHz |
| Slew Rate | 0.4 V/μs | V/μs |
| Output Voltage High (VOH) | 4.99 V (RL = 100 kΩ to GND) | V |
| Operating Temperature | -40°C to +125°C | °C |
| Package Type | 8-lead narrow SOIC, 8-lead TSSOP |
Key Features
- Zero-Drift Technology: Ensures low offset voltage and drift, making it suitable for high-accuracy applications.
- Rail-to-Rail Input and Output: Allows the input common-mode voltage range to reach both supply rails and provides a wide output voltage swing.
- Single Supply Operation: Operates from 2.7 V to 5 V, simplifying power supply design.
- No External Capacitors Required: Simplifies the circuit design and reduces component count.
- Low Supply Current: 700 μA per op amp, which is beneficial for power-sensitive applications.
- Fast Overload Recovery Time: 50 μs, ensuring quick recovery from overloads.
- High CMRR and PSRR: Provides excellent rejection of common-mode and power supply noise.
Applications
- Temperature Sensors: Ideal for precise temperature measurements.
- Pressure Sensors: Suitable for high-accuracy pressure sensing applications.
- Precision Current Sensing: Used in applications requiring accurate current measurements.
- Strain Gage Amplifiers: Enhances the signal from strain gages in various measurement systems.
- Medical Instrumentation: Used in medical devices where high accuracy and low noise are critical.
- Thermocouple Amplifiers: Suitable for amplifying thermocouple signals with high precision.
Q & A
- What is the supply voltage range for the AD8552AR-REEL?
The AD8552AR-REEL operates from a single supply of 2.7 V to 5 V.
- What is the offset voltage of the AD8552AR-REEL?
The offset voltage is 1 μV.
- What is the drift of the offset voltage with temperature?
The offset voltage drift is 0.005 μV/°C.
- Does the AD8552AR-REEL require external capacitors?
No, the AD8552AR-REEL does not require external capacitors.
- What is the typical supply current per op amp for the AD8552AR-REEL?
The typical supply current per op amp is 700 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8552AR-REEL?
The CMRR is between 115 dB and 140 dB.
- What is the gain bandwidth product of the AD8552AR-REEL?
The gain bandwidth product is 1.5 MHz.
- What are the typical operating temperatures for the AD8552AR-REEL?
The operating temperature range is -40°C to +125°C.
- In what packages is the AD8552AR-REEL available?
The AD8552AR-REEL is available in 8-lead narrow SOIC and 8-lead TSSOP surface-mount packages.
- What are some common applications of the AD8552AR-REEL?
Common applications include temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
